Finding the Fourth Proportional to 416,379.24, 574,476.12 and 255,175.20
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Solution
The fourth proportional to 416,379.24, 574,476.12 and 255,175.20 is: 352,063.80
Step by Step Solution
- Step 1: Write the proportion equation
416,379.24 : 574,476.12 = 255,175.20 : x - Step 2: Convert to fraction form
416,379.24/574,476.12 = 255,175.20/x - Step 3: Cross multiply
416,379.24x = 574,476.12 × 255,175.20 - Step 4: Simplify right side
416,379.24x = 146,592,058,816.22 - Step 5: Solve for x
x = 146,592,058,816.22/416,379.24 - Step 6: Final answer
x = 352,063.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.